Mesostenus is a genus of ichneumon wasps in the family Ichneumonidae.

There are at least 50 described species in Mesostenus.

[1][2][3][4][5] These 58 species belong to the genus Mesostenus: Data sources: i = ITIS,[6] c = Catalogue of Life,[1] g = GBIF,[2] b = Bugguide.net[3] This Ichneumonidae-related article is a stub.

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